Places beginning with MA in Illinois, United States
- Mabel
- Macedonia
- Machesney Park
- Mackinaw
- Mackinaw Dells
- Mackinaw, Township of
- Mackville
- Macomb
- Macomb City, Township of
- Macomb, Township of
- Macon
- Macon County
- Macon, Township of
- Macoupin
- Macoupin County
- Madison
- Madison County
- Madison Station
- Madison, Township of
- Madonnaville
- Maeystown
- Magnet
- Magnolia
- Magnolia Corner
- Magnolia, Township of
- Mahomet
- Mahomet, Township of
- Maine, Township of
- Maine, Township of
- Maizetown
- Makanda
- Makanda, Township of
- Malden
- Mallard Lake North
- Mallard Lake South
- Malone, Township of
- Malta
- Malta, Township of
- Malvern
- Mammoth Springs
- Manchester
- Manchester Election Precinct
- Manchester, Township of
- Mandell (subdivision)
- Manhattan
- Manhattan, Township of
- Manito
- Manito, Township of
- Manley
- Manlius
- Manlius, Township of
- Manlius, Township of
- Mannon
- Mansfield
- Manteno
- Manteno, Township of
- Manville
- Maple
- Maple Grove
- Maple Leaf Estates
- Maple Park
- Maple Point
- Maples Mill
- Mapleton
- Maplewood Courts (subdivision)
- Maplewood Park
- Maplewood (subdivision)
- Maquon
- Maquon, Township of
- Marblehead
- Marbletown
- Marcelline
- Marcoe
- Marcus
- Marden Estates (subdivision)
- Marengo
- Marengo, Township of
- Marietta
- Marigold
- Marine
- Marine, Township of
- Marion
- Marion
- Marion County
- Marion, Township of
- Marion, Township of
- Marissa
- Marissa, Township of
- Mark
- Markham
- Markham
- Markham City
- Markham Election Precinct
- Marley
- Marley
- Marlow
- Maroa
- Maroa, Township of
- Marquette
- Marquette Heights
- Marquette Manor (subdivision)
- Marrowbone, Township of
- Marseilles
- Marshall
- Marshall County
- Marshall Field Garden Apartments (subdivision)
- Marshall Landing
- Marshall, Township of
- Marston
- Martin (historical)
- Martin Luther (subdivision)
- Martinsburg
- Martinsburg, Township of
- Martinsville
- Martinsville, Township of
- Martinton
- Martinton, Township of
- Martin, Township of
- Martin, Township of
- Marydale
- Maryland
- Maryland Place
- Maryland, Township of
- Mary Meadows
- Maryville
- Marywood
- Mascoutah
- Mascoutah, Township of
- Mason
- Mason
- Mason City
- Mason City, Township of
- Mason County
- Mason, Township of
- Massac City
- Massac County
- Massbach
- Massilon, Township of
- Matanzas
- Matanzas Beach
- Matherville
- Matteson
- Matthews
- Matthews Junction
- Mattoon
- Mattoon, Township of
- Maud
- Maunie
- Maxwell
- Maxwell (historical)
- Maxwell, Township of
- Mayberry
- Mayberry, Township of
- Mayfair
- Mayfair (subdivision)
- Mayfield, Township of
- Mays
- Maysville
- Maysville
- Maytown
- May, Township of
- May, Township of
- Mayview
- Maywood
- Maywood Manor (subdivision)
- Mazon
- Mazonia
- Mazon, Township of